com.metamx.metrics.HttpPostEmitterMonitor Maven / Gradle / Ivy
/*
* Copyright 2016 Metamarkets Group Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package com.metamx.metrics;
import com.google.common.collect.ImmutableMap;
import com.metamx.emitter.core.HttpPostEmitter;
import com.metamx.emitter.service.ServiceEmitter;
import com.metamx.emitter.service.ServiceMetricEvent;
public class HttpPostEmitterMonitor extends FeedDefiningMonitor
{
private final HttpPostEmitter httpPostEmitter;
private final ImmutableMap extraDimensions;
private final ServiceMetricEvent.Builder builder;
private long lastTotalEmittedEvents = 0;
private int lastDroppedBuffers = 0;
public HttpPostEmitterMonitor(
String feed,
HttpPostEmitter httpPostEmitter,
ImmutableMap extraDimensions
)
{
super(feed);
this.httpPostEmitter = httpPostEmitter;
this.extraDimensions = extraDimensions;
this.builder = builder();
}
@Override
public boolean doMonitor(ServiceEmitter emitter)
{
long newTotalEmittedEvents = httpPostEmitter.getTotalEmittedEvents();
long totalEmittedEventsDiff = newTotalEmittedEvents - lastTotalEmittedEvents;
emitter.emit(builder.build("emitter/events/emitted", totalEmittedEventsDiff));
lastTotalEmittedEvents = newTotalEmittedEvents;
int newDroppedBuffers = httpPostEmitter.getDroppedBuffers();
int droppedBuffersDiff = newDroppedBuffers - lastDroppedBuffers;
emitter.emit(builder.build("emitter/buffers/dropped", droppedBuffersDiff));
lastDroppedBuffers = newDroppedBuffers;
emitter.emit(builder.build("emitter/events/emitQueue", httpPostEmitter.getEventsToEmit()));
emitter.emit(builder.build("emitter/events/large/emitQueue", httpPostEmitter.getLargeEventsToEmit()));
emitter.emit(builder.build("emitter/buffers/totalAllocated", httpPostEmitter.getTotalAllocatedBuffers()));
emitter.emit(builder.build("emitter/buffers/emitQueue", httpPostEmitter.getBuffersToEmit()));
emitter.emit(builder.build("emitter/buffers/failed", httpPostEmitter.getFailedBuffers()));
emitter.emit(builder.build("emitter/buffers/reuseQueue", httpPostEmitter.getBuffersToReuse()));
return true;
}
@Override
protected ServiceMetricEvent.Builder builder()
{
ServiceMetricEvent.Builder builder = super.builder();
extraDimensions.forEach(builder::setDimension);
return builder;
}
}